Add 21/14 and 40/3, Solve 1 7/14 + 13 1/3 as a fraction

Add 21/14 and 40/3

1^st number: 1 7/14, 2^nd number: 13 1/3

21/14 + 40/3 is 89/6.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42
Likewise, for the 2nd fraction, since 3 × 14 = 42,
40/3 = 40 × 14/3 × 14 = 560/42
Add the two like fractions:
63/42 + 560/42 = 63 + 560/42 = 623/42
623/42 simplified gives 89/6
So, 21/14 + 40/3 = 89/6
In mixed form: 145/6

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